def move_successor
import bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend as BalancedSearchTreeimport Base
1333def move_successor(~K: Data, ~V: Data, ~cmp: K -> K -> Cmp, m: TreeMap<K, V, cmp>, +target: Nat, +source: Nat) -> TreeMap<K, V, cmp> & Nat:
1334 move_successor_1(~K, ~V, ~cmp, target, source, read(~K, ~V, ~cmp, m, source))